__finditem__

Very similar to the standard Python __getitem__ method.
Instead of throwing a KeyError if the item isn't found,
this just returns null.
Classes that wish to implement __getitem__ should
override this method instead (with the appropriate
semantics.

dictproxy___gt__

dictproxy___ge__

__str__

Equivalent to the standard Python __str__ method. This method
should not typically need to be overridden. The easiest way to
configure the string representation of a PyObject is to
override the standard Java toString method.